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On the Bishop-Phelps-Bollobas theorem for multilinear mappingsopen access

Authors
Dantas, SheldonGarcia, DomingoKim, Sun KwangLee, Han JuMaestre, Manuel
Issue Date
1-Nov-2017
Publisher
ELSEVIER SCIENCE INC
Keywords
Bishop-Phelps theorem; Bishop-Phelps-Bollobas property; Norm attaining; Bilinear forms
Citation
LINEAR ALGEBRA AND ITS APPLICATIONS, v.532, pp 406 - 431
Pages
26
Indexed
SCI
SCIE
SCOPUS
Journal Title
LINEAR ALGEBRA AND ITS APPLICATIONS
Volume
532
Start Page
406
End Page
431
URI
https://scholarworks.dongguk.edu/handle/sw.dongguk/23346
DOI
10.1016/j.laa.2017.07.002
ISSN
0024-3795
1873-1856
Abstract
We study the Bishop-Phelps-Bollobas property and the Bishop-Phelps-Bollobas property for numerical radius. Our main aim is to extend some known results about norm or numerical radius attaining operators to multilinear and polynomial cases. We characterize the pair (l(1)(X), Y) to have the BPBp for bilinear forms and prove that on L-1(mu) the numerical radius and the norm of a multilinear mapping are the same. We also show that L-1(mu) fails the BPBp-nu for multilinear mappings although L-1(mu) satisfies it in the operator case for every measure mu. (c) 2017 Elsevier Inc. All rights reserved.
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